-module(opener).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).
-define(FILEPATH, "src/opener.gleam").
-export([open/1]).
-export_type([opener/0, os_type/0]).

-if(?OTP_RELEASE >= 27).
-define(MODULEDOC(Str), -moduledoc(Str)).
-define(DOC(Str), -doc(Str)).
-else.
-define(MODULEDOC(Str), -compile([])).
-define(DOC(Str), -compile([])).
-endif.

-type opener() :: x_d_g_open | mac_o_s_open | windows_start.

-type os_type() :: linux | darwin | n_t | unknown.

-file("src/opener.gleam", 40).
-spec get_platform_opener() -> opener().
get_platform_opener() ->
    case opener_ffi:get_os() of
        linux ->
            x_d_g_open;

        n_t ->
            windows_start;

        darwin ->
            mac_o_s_open;

        unknown ->
            x_d_g_open
    end.

-file("src/opener.gleam", 23).
-spec opener_to_exec(opener()) -> fun((list(binary())) -> {ok, binary()} |
    {error, {integer(), binary()}}).
opener_to_exec(Opener) ->
    case Opener of
        mac_o_s_open ->
            fun(_capture) -> opener_ffi:exec(<<"open"/utf8>>, _capture) end;

        windows_start ->
            fun(_capture@1) -> opener_ffi:exec(<<"start"/utf8>>, _capture@1) end;

        x_d_g_open ->
            fun(_capture@2) ->
                opener_ffi:exec(<<"xdg-open"/utf8>>, _capture@2)
            end
    end.

-file("src/opener.gleam", 8).
?DOC(
    " Opens a target file or URL using the appropriate platform-specific opener.\n"
    "\n"
    " example:\n"
    " ```gleam\n"
    " let _ = open(\"https://gleam.run\")\n"
    " ```\n"
).
-spec open(binary()) -> {ok, binary()} | {error, {integer(), binary()}}.
open(Target) ->
    _pipe = get_platform_opener(),
    _pipe@1 = opener_to_exec(_pipe),
    (fun(Open) -> Open([Target]) end)(_pipe@1).